1 /*
2 * Copyright (c) 2009, 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
23
24 import java.io.*;
25 import com.sun.tools.classfile.*;
26
27 /*
28 * @test PresenceInner
29 * @bug 6843077
30 * @summary test that annotations in inner types count only once
31 */
32
33 public class PresenceInner {
34 public static void main(String[] args) throws Exception {
35 new PresenceInner().run();
36 }
37
38 public void run() throws Exception {
39 File javaFile = writeTestFile();
40 File classFile = compileTestFile(javaFile);
41
42 ClassFile cf = ClassFile.read(classFile);
43 test(cf);
44 for (Field f : cf.fields) {
45 test(cf, f);
46 }
47 for (Method m: cf.methods) {
48 test(cf, m);
49 }
50
51 // counts are zero when vising outer class
52 countAnnotations(0);
53
54 // visit inner class
55 File innerFile = new File("Test$1Inner.class");
56 ClassFile icf = ClassFile.read(innerFile);
57 test(icf);
58 for (Field f : icf.fields) {
59 test(cf, f);
60 }
61 for (Method m: icf.methods) {
62 test(cf, m);
63 }
64
65 countAnnotations(1);
66 if (errors > 0)
67 throw new Exception(errors + " errors found");
68 System.out.println("PASSED");
69 }
70
71 void test(ClassFile cf) {
72 test(cf, Attribute.RuntimeVisibleTypeAnnotations, true);
73 test(cf, Attribute.RuntimeInvisibleTypeAnnotations, false);
74 }
75
76 void test(ClassFile cf, Method m) {
77 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
78 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
79 }
80
81 void test(ClassFile cf, Field m) {
82 test(cf, m, Attribute.RuntimeVisibleTypeAnnotations, true);
83 test(cf, m, Attribute.RuntimeInvisibleTypeAnnotations, false);
84 }
85
86 // test the result of Attributes.getIndex according to expectations
87 // encoded in the method's name
88 void test(ClassFile cf, String name, boolean visible) {
89 int index = cf.attributes.getIndex(cf.constant_pool, name);
90 if (index != -1) {
91 Attribute attr = cf.attributes.get(index);
92 assert attr instanceof RuntimeTypeAnnotations_attribute;
93 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
94 all += tAttr.annotations.length;
95 if (visible)
96 visibles += tAttr.annotations.length;
97 else
98 invisibles += tAttr.annotations.length;
99 }
100 }
101
102 // test the result of Attributes.getIndex according to expectations
103 // encoded in the method's name
104 void test(ClassFile cf, Method m, String name, boolean visible) {
105 int index = m.attributes.getIndex(cf.constant_pool, name);
106 if (index != -1) {
107 Attribute attr = m.attributes.get(index);
108 assert attr instanceof RuntimeTypeAnnotations_attribute;
109 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
110 all += tAttr.annotations.length;
111 if (visible)
112 visibles += tAttr.annotations.length;
113 else
114 invisibles += tAttr.annotations.length;
115 }
116 }
117
118 // test the result of Attributes.getIndex according to expectations
119 // encoded in the method's name
120 void test(ClassFile cf, Field m, String name, boolean visible) {
121 int index = m.attributes.getIndex(cf.constant_pool, name);
122 if (index != -1) {
123 Attribute attr = m.attributes.get(index);
124 assert attr instanceof RuntimeTypeAnnotations_attribute;
125 RuntimeTypeAnnotations_attribute tAttr = (RuntimeTypeAnnotations_attribute)attr;
126 all += tAttr.annotations.length;
127 if (visible)
128 visibles += tAttr.annotations.length;
129 else
130 invisibles += tAttr.annotations.length;
131 }
132 }
133
134 File writeTestFile() throws IOException {
135 File f = new File("Test.java");
136 PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(f)));
137
138 out.println("import java.lang.annotation.*;");
139 out.println("class Test {");
140 out.println(" void method() {");
141 out.println(" class Inner<T extends @A Object> { }");
142 out.println(" }");
143 out.println("}");
144 out.println("@Target({ElementType.TYPE_USE, ElementType.TYPE_PARAMETER})");
145 out.println("@interface A { }");
146 out.close();
147 System.out.println(f.getAbsolutePath());
148 return f;
149 }
150
151 File compileTestFile(File f) {
152 int rc = com.sun.tools.javac.Main.compile(new String[] {"-g", f.getPath() });
153 if (rc != 0)
154 throw new Error("compilation failed. rc=" + rc);
155 String path = f.getPath();
156 return new File(path.substring(0, path.length() - 5) + ".class");
157 }
158
159 void countAnnotations(int expected_invisibles) {
160 int expected_visibles = 0;
161 int expected_all = expected_visibles + expected_invisibles;
162
163 if (expected_all != all) {
164 errors++;
165 System.err.println("expected " + expected_all
166 + " annotations but found " + all);
167 }
168
169 if (expected_visibles != visibles) {
170 errors++;
171 System.err.println("expected " + expected_visibles
172 + " visibles annotations but found " + visibles);
173 }
174
175 if (expected_invisibles != invisibles) {
176 errors++;
177 System.err.println("expected " + expected_invisibles
178 + " invisibles annotations but found " + invisibles);
179 }
180
181 }
182
183 int errors;
184 int all;
185 int visibles;
186 int invisibles;
187 }